GRETAG Aktiengesellschaft

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Regensdorf, CH

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for the determination of halftone percentage...
- Patent number 6,084,693
- Issue date Jul 4, 2000
- GRETAG Aktiengesellschaft
- Bruno Zimmermann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Computer-controlled device for detecting optical transmission and/o...
- Patent number 5,987,396
- Issue date Nov 16, 1999
- Gretag Aktiengesellschaft
- Markus Berner
- G01 - MEASURING TESTING
Information Patent Grant
Process and apparatus for the determination of halftone percentage...
- Patent number 5,530,563
- Issue date Jun 25, 1996
- GRETAG Aktiengesellschaft
- Bruno Zimmermann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and a process for recording photometric data that is posi...
- Patent number 5,519,210
- Issue date May 21, 1996
- GRETAG Aktiengesellschaft
- Markus Berner
- G01 - MEASURING TESTING
Information Patent Grant
Manual densitometer with manully operated dial
- Patent number 5,426,508
- Issue date Jun 20, 1995
- GRETAG Aktiengesellschaft
- Fortunat Schrammli
- G01 - MEASURING TESTING
Information Patent Grant
Hand held unit for determining photometric data
- Patent number D357695
- Issue date Apr 25, 1995
- GRETAG Aktiengesellschaft
- Hans Ott
- D16 - Photography and optical equipment
Information Patent Grant
Photometric process and computer controlled photometer
- Patent number 5,267,178
- Issue date Nov 30, 1993
- GRETAG Aktiengesellschaft
- Markus Berner
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for the analysis of print control fields
- Patent number 5,206,707
- Issue date Apr 27, 1993
- GRETAG Aktiengesellschaft
- Hans Ott
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Compensation circuit for the correction of image defects of a telev...
- Patent number 5,113,258
- Issue date May 12, 1992
- GRETAG Aktiengesellschaft
- Philippe Roth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Process for the determination of colorimetric differences between t...
- Patent number 5,068,810
- Issue date Nov 26, 1991
- GRETAG Aktiengesellschaft
- Hans Ott
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for the cryptographic processing of data and cryptographic...
- Patent number 5,020,106
- Issue date May 28, 1991
- GRETAG Aktiengesellschaft
- Peter Rabold
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illuminating apparatus for projection purposes
- Patent number 5,015,088
- Issue date May 14, 1991
- GRETAG Aktiengesellschaft
- Bruno Rhomberg
- G02 - OPTICS
Information Patent Grant
Process and apparatus for the ink control of a printing machine
- Patent number 4,975,862
- Issue date Dec 4, 1990
- GRETAG Aktiengesellschaft
- Guido Keller
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process and apparatus for the protection of secret elements in a ne...
- Patent number 4,969,188
- Issue date Nov 6, 1990
- GRETAG Aktiengesellschaft
- Paul J. Schobi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Manual device for the determination or measurement of photometric d...
- Patent number 4,968,140
- Issue date Nov 6, 1990
- GRETAG Aktiengesellschaft
- Markus Berner
- G01 - MEASURING TESTING
Information Patent Grant
Process for the ink control or regulation of a printing machine by...
- Patent number 4,967,379
- Issue date Oct 30, 1990
- GRETAG Aktiengesellschaft
- Hans Ott
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Manual device for the detection of optical reflection properties
- Patent number 4,961,646
- Issue date Oct 9, 1990
- GRETAG Aktiengesellschaft
- Fortunat Schrammli
- G01 - MEASURING TESTING
Information Patent Grant
Measuring head
- Patent number 4,929,084
- Issue date May 29, 1990
- GRETAG Aktiengesellschaft
- Fred Mast
- G02 - OPTICS
Information Patent Grant
Cable conduit apparatus
- Patent number 4,893,786
- Issue date Jan 16, 1990
- GRETAG Aktiengesellschaft
- Ernst Huber
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Measuring head
- Patent number 4,865,456
- Issue date Sep 12, 1989
- GRETAG Aktiengesellschaft
- Fred Mast
- G01 - MEASURING TESTING
Information Patent Grant
Optical image amplifier apparatus
- Patent number 4,779,963
- Issue date Oct 25, 1988
- GRETAG Aktiengesellschaft
- Bruno C. Rhomberg
- G02 - OPTICS
Information Patent Grant
Cassette for photographic strip material
- Patent number 4,741,439
- Issue date May 3, 1988
- GRETAG Aktiengesellschaft
- Milan Bizic
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for the fine position adjustment of a laser beam
- Patent number 4,713,537
- Issue date Dec 15, 1987
- GRETAG Aktiengesellschaft
- Rino E. Kunz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process and apparatus for treating objects forming separate series
- Patent number 4,705,376
- Issue date Nov 10, 1987
- GRETAG Aktiengesellschaft
- Heiner Schaub
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Laser processing apparatus with means for selectively varying the t...
- Patent number 4,675,500
- Issue date Jun 23, 1987
- GRETAG Aktiengesellschaft
- Rino E. Kunz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process, apparatus and color measuring strip for evaluating print q...
- Patent number 4,671,661
- Issue date Jun 9, 1987
- GRETAG Aktiengesellschaft
- Hans Ott
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process and apparatus for the evaluation of the printing quality of...
- Patent number 4,665,496
- Issue date May 12, 1987
- GRETAG Aktiengesellschaft
- Hans Ott
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process and apparatus for the regulation of ink feed controls in an...
- Patent number 4,660,159
- Issue date Apr 21, 1987
- GRETAG Aktiengesellschaft
- Hans Ott
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process and apparatus for evaluating printing quality and for regul...
- Patent number 4,649,502
- Issue date Mar 10, 1987
- GRETAG Aktiengesellschaft
- Guido Keller
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Densitometer
- Patent number 4,645,350
- Issue date Feb 24, 1987
- GRETAG Aktiengesellschaft
- Markus Weidmann
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
75330942 - GEE WHIS-COLOR
- Serial number 75330942
- Registration number 2404994
- Filing date Jul 25, 1997
- GRETAG AG
- 35 - Advertising
Information Trademark
74669541 - EIDOPHOR
- Serial number 74669541
- Filing date May 3, 1995
- Gretag AG
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes

GRETAG Aktiengesellschaft

Organization

Patents Grantslast 30 patents

Process and apparatus for the determination of halftone percentage...

Computer-controlled device for detecting optical transmission and/o...

Process and apparatus for the determination of halftone percentage...

Apparatus and a process for recording photometric data that is posi...

Manual densitometer with manully operated dial

Hand held unit for determining photometric data

Photometric process and computer controlled photometer

Apparatus for the analysis of print control fields

Compensation circuit for the correction of image defects of a telev...

Process for the determination of colorimetric differences between t...

Process for the cryptographic processing of data and cryptographic...

Illuminating apparatus for projection purposes

Process and apparatus for the ink control of a printing machine

Process and apparatus for the protection of secret elements in a ne...

Manual device for the determination or measurement of photometric d...

Process for the ink control or regulation of a printing machine by...

Manual device for the detection of optical reflection properties

Measuring head

Cable conduit apparatus

Measuring head

Optical image amplifier apparatus

Cassette for photographic strip material

Method and apparatus for the fine position adjustment of a laser beam

Process and apparatus for treating objects forming separate series

Laser processing apparatus with means for selectively varying the t...

Process, apparatus and color measuring strip for evaluating print q...

Process and apparatus for the evaluation of the printing quality of...

Process and apparatus for the regulation of ink feed controls in an...

Process and apparatus for evaluating printing quality and for regul...

Densitometer

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

75330942 - GEE WHIS-COLOR

74669541 - EIDOPHOR